Question

1)500g of alloy consist of 35% zinc and rest is copper. Find the mass of copper.
2)There are 275 students in a school and 48% of them are boys. Find the no. of girls.
3) In a class of 60 students, 45 students were present. Find the percent of absent students.
4) Mr. Gurung earns Rs 18000 in a month. If he spends 20% of it on food and 35% on investments, find his expenditure on each topic separately and his savings in a month.
5) There were 750 students in a school last year and 600 students this year. Find the decreased number of students in percent.
6) 52% of students in a school are boys. If there are 260 boys, find the number of girls.
7) A man spends 45% of his income and saves Rs 11000. Find his monthly expenditure.

Answer 1

Answer:

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